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The paper "Cotorsion theories for abelian groups" by L. Salce, was published in 1979 in Symposia Math. 21, pages 1-21. According to Google Scholar, it's been cited 233 times, and I keep seeing citations of this paper as fundamental to cotorsion pairs. But I can't find it anywhere online, or in my library. Any help would be appreciated!

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  • $\begingroup$ The volume and page numbers you give don't seem to agree with mathscinet: mathscinet.ams.org/mathscinet-getitem?mr=565595 $\endgroup$
    – j.c.
    Commented Jan 2, 2018 at 21:45
  • $\begingroup$ it's not online because of copyright restrictions; Amazon sells it used for $30, and you can search for a nearby library using Worldcat (I checked my Leiden University library, but unfortunately volume 23 is missing :( --- I also checked on Hathitrust that indeed Salce's article is in volume 23, but they only give you a limited text search. $\endgroup$ Commented Jan 2, 2018 at 21:52
  • $\begingroup$ Thanks for the fast responses! I got my citation info from bibliographies of papers. Good to know it's at least possible to buy online. An hour ago, I didn't even see a way to buy it! $\endgroup$ Commented Jan 2, 2018 at 22:12

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I was able to get a scanned copy of Salce's paper thanks to my library's "Document Delivery" service. Dropbox links are not exactly permanent so if anyone would like to rehost this elsewhere, they should feel free to edit this answer.

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